205121490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57457}}^1$

素因数の和:57491

約数の個数: 64

約数和(自身を含む): 595724544

約数和(自身を除く): 390603054

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 57457, 114914, 172371, 287285, 344742, 402199, 574570, 804398, 861855, 976769, 1206597, 1723710, 1953538, 2010995, 2413194, 2930307, 4021990, 4883845, 5860614, 6032985, 6837383, 9767690, 12065970, 13674766, 14651535, 20512149, 29303070, 34186915, 41024298, 68373830, 102560745, 205121490]

約数ペア:

[(1, 205121490), (2, 102560745), (3, 68373830), (5, 41024298), (6, 34186915), (7, 29303070), (10, 20512149), (14, 14651535), (15, 13674766), (17, 12065970), (21, 9767690), (30, 6837383), (34, 6032985), (35, 5860614), (42, 4883845), (51, 4021990), (70, 2930307), (85, 2413194), (102, 2010995), (105, 1953538), (119, 1723710), (170, 1206597), (210, 976769), (238, 861855), (255, 804398), (357, 574570), (510, 402199), (595, 344742), (714, 287285), (1190, 172371), (1785, 114914), (3570, 57457)]